Anker Soundcore Bluetooth Speaker with Loud Stereo Sound, Rich Bass, 24-Hour Playtime, 66 ft Bluetooth Range, Built-in Mic. Perfect Portable Wireless Speaker for iPhone, Samsung and More ASTONISHING SOUND: Breathtaking stereo sound with deep bass is delivered with exceptional clarity and zero distortion by two high-sensitivity drivers and a patented bass port. 24H WORRY-FREE BATTERY LIFE: Anker's exclusive, long-life battery technology provides 24 hours of sublime music. EFFORTLESS CONNECTIVITY: Bluetooth 4.0 ensures instant pairing and maintains a strong connection up to 66 ft. DESIGNED TO PLAY: Combines a solid, drop-proof build with tactile materials and seamless controls. GRAB, GO, LISTEN: Lightweight, yet robust unibody design provides the perfect soundtrack for the park, yard, or anywhere else at home or away.